# Yeetcode vs Book

The clearest difference is in-app purchases: Book at none against Yeetcode's 3. Book also leads on update cadence (daily vs fortnightly). Yeetcode's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Yeetcode sells 3 in-app purchases, starting at $6.99 per month. Book asks for nothing beyond the download.

Yeetcode ships an update fortnightly, Book daily. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Yeetcode | Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yeetcode-dsa-and-system-design/id6753661560/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Freemium | — |
| Size | 66 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pinecone Software, LLC (NC)](https://appshunter.io/developer/1483875560) | [Sarath Francis](https://appshunter.io/developer/1882468568) |

## What reviewers say

### Yeetcode

[App page](https://appshunter.io/ios/app/yeetcode-dsa-and-system-design/id6753661560)

Master coding and system design interview questions through engaging multiple-choice quizzes. Learn patterns and build intuition for technical interviews on the go, without needing an IDE. Offers step-by-step breakdowns and progress tracking.

**Highlights:** Multiple-choice coding quizzes, System design interview practice, Step-by-step problem breakdowns, Progress tracking across devices, Curated popular study lists, 14 programming languages supported

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $6.99 | per month |
| Premium | $49.99 | per year |
| Premium | $69.99 | one-time |


### Book

[App page](https://appshunter.io/ios/app/book-e-kids/id6801709291)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Yeetcode free?

Yeetcode is free to download, with in-app purchases available.

### Is Book free?

Book is free to download, with no in-app purchases.

### Do Yeetcode or Book have ads?

Neither Yeetcode nor Book shows ads.

### Which is updated more often, Yeetcode or Book?

Yeetcode ships an update fortnightly, and Book daily. Most recently, Yeetcode was updated on September 29, 2026 and Book on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*